Jacqui has 3 1/2 yards of fabric to make a costume. she used 1/4 of the fabric to make a hat. how much of the fabric did she use

What is the value of the expression "two less than six times the diffrence of a number and five" when n = 9?

How do you solve a question like this?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15